Các câu hỏi tương tự
Tìm x, y biết
a, |x-3,5|+|y-1,3| = 0
Tim x, y, z biet
a ) |x-3,5|+ |x+5|=0
b) |x-1| + (y+1)^2 + |z-1|=0
c) ( x-1/3)^2 + (y-2)^2+ (z-1)^2 be hon hoac bang 0
d)(x-z)^2+ (y+x)^2 + (z+1/4)^2 =0
Cac ban giup minh voi minh can gap lam
tim x biet
a)|x-3,5|=7,5
b)3,6-|x-0,4|=0
c)|x-3,5|+|4,5-x|=0
biet x(x+y)=-12;y(x+y)=21 va x<0,tim x,y
tim x y biet x+y+xy+1=0
tim x y biet x+y+xy+1=0
tim x y biet x+y+xy+1=0
tim x y biet x+y+xy+1=0
tim x y biet x+y+xy+1=0